Let's solve both equations step by step.
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For the equation \( 6x - 4 = 68 \):
\[ 6x - 4 = 68 \]
First, add 4 to both sides:
\[ 6x = 68 + 4 \] \[ 6x = 72 \]
Now, divide both sides by 6:
\[ x = \frac{72}{6} \] \[ x = 12 \]
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For the equation \( 2x = 68 \):
\[ 2x = 68 \]
Divide both sides by 2:
\[ x = \frac{68}{2} \] \[ x = 34 \]
So the solutions are:
- For the first equation \( 6x - 4 = 68 \): \( x = 12 \)
- For the second equation \( 2x = 68 \): \( x = 34 \)